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Extracts of nine medicinal plants were screened for their anti-inflammatory activity using the cyclooxygenase-1 assay and their acetylcholinesterase inhibitory effect. The antioxidant activity was assessed by four methods: free radicals DPPH (1,1-diphenyl-2-picrilhydrazyl), nitric oxide assay, β-carotene bleaching test and metal chelating power. The amounts of different phenolic compounds were also...
Plectranthus barbatus, known as “falso boldo” in Brazil, is used in herbal tea or cooked as a vegetable. Infusions and decoctions of leaves from P. barbatus were analysed for their inhibition of acetylcholinesterase and their antioxidant activity. The decoction showed high inhibition activity (31% inhibition with 0.5mg of extract/ml) and also high antioxidant activity (IC 50 =45.8±0.5μg of...
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